High Hardness Ml30crmo Alloy Steel Small Heat Treatment Deformation - China

ML30CrMo is an alloy structural steel with high hardness and good comprehensive performance.

ML30CrMo alloy steel hardness

- **Annealing**: Hardness ≤229 HBW, indentation diameter ≥4.0mm

- **Quenching and tempering**: Hardness range is between HRC 32-45, depending on the tempering temperature.

- **Surface quenching**: Can achieve a higher surface hardness, generally between HRC 58-62 - ML30CrMo alloy steel heat treatment characteristics

- **Hardenability**: Critical diameter Dc=35mm (oil quenching).

- **Temper brittleness**: There is first type of temper brittleness in the range of 300-350℃.

ML30CrMo alloy steel welding performance

The carbon equivalent Ceq of ML30CrMo alloy steel is 0.58%, and it needs to be preheated to 200℃ during welding.

In summary, ML30CrMo alloy steel is an alloy structural steel with excellent performance, which is suitable for a variety of industrial fields, but its special physical and chemical properties need to be paid attention to during processing and use.

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• Posted By: Dongguan Songshun Mould Steel Co., Ltd.

• Phone: 0086 0769 85475596

• Address: 1st Floor, No. 1, Dongda Fourth Street, Shatou Community, Chang'an Town, Dongguan , GuangDong , China

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• Business Description: Established in 2009,Songshun Steel supplies a wide range of carbon, alloy and tool steel products, including high speed tool steel, cold work tool steel, hot work tool steel, plastic mould steel, engineering steel and machine structural steel etc.
  
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